Product Overview

The Rexroth 4WEH16E1X/6HG24N9ETK4/B10 (Material No. R901531080) is a pilot-operated, electro-hydraulic directional spool valve from the proven Rexroth 4WEH series, size NG16 (DIN 24340 / CETOP 07 interface). It is a 4-way, 3-position (4/3) directional control valve in which a solenoid-actuated pilot valve (wet-pin DC solenoid, 24 V) shifts the main spool via pilot pressure, allowing high flow rates to be controlled with minimal electrical power. The main stage is spring-centered to the middle position, and the E1X spool type provides a specific open/closed transition characteristic for controlled actuator movement. This valve is engineered to direct, stop, and release the flow of hydraulic fluid to cylinders, motors, and rotary actuators in demanding industrial circuits, offering high flow capacity, low pressure drop, and reliable long-term switching performance.

Technical Specifications

Engineering Features & Advantages

• Precision Performance: The integrated electro-hydraulic, solenoid pilot operated (wet-pin DC solenoid) ensures precise, repeatable control with low hysteresis and stable performance across the full working range.
• Rated Capability: Rated for pressure ratings up to 350 bar and flow rates up to 300 L/min, supporting stable operation across the full working range.
• High-Flow Two-Stage Design: The pilot-operated main stage is built for high flow capacity — suited to directional control of large actuators, presses and power units.
• Low-Power Pilot Control: The pilot solenoid (24 V DC (high-power coil)) with the standard N9 / K4 interface matches conventional machine control cabinets.

Typical Industrial Applications

This valve is engineered to direct, stop, and release the flow of hydraulic fluid to cylinders, motors, and rotary actuators in demanding industrial circuits, offering high flow capacity, low pressure drop, and reliable long-term switching performance.

Understanding the Model Code: 4WEH16E1X/6HG24N9ETK4/B10

Each block of the Rexroth model code describes one attribute of the valve. Use this breakdown together with the specification table above to confirm the exact configuration you need:

Always verify the complete code and material number against the nameplate on your existing valve before ordering — body size, spool type and coil voltage must all match.

Choosing the Right Variant

This is a two-stage, pilot-operated valve for high-flow main circuits. The small pilot solenoid controls the large main stage, so switching power stays low while flow capacity rises. Confirm the pilot oil arrangement (internal or external) for your circuit before ordering — send us your complete model code if you are unsure. Related listings:

• Rexroth 4WEH16 E 7X/6E G24 N9ETK4/B10 / R900923971 Electro-Hydraulic Directional Valve
• Rexroth 4WEH16J1X/6HG24N9ETK4/B10 / R901531099 Electro-Hydraulic Directional Valve

Frequently Asked Questions

Why is this a pilot-operated (two-stage) valve?
Pilot operation lets a small solenoid actuate a large main spool — the standard solution for high flow rates with low electrical power, used for the main directional control of large actuators and presses.

What should I check before ordering?
Confirm the complete code and material number (see nameplate) on your nameplate, and verify the pilot oil supply arrangement (internal vs external) for your circuit.

What do N9 and K4 mean?
N9 = concealed manual override on the pilot valve; K4 = plug connector to DIN EN 175301-803 (ISO 4400).

Is the coil voltage important?
Yes — this unit uses a 24 V DC (high-power coil) pilot solenoid, and the coil must match your control circuit.

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